Oxygen-enriched anion system

Through the oxygen-making device and air compressor device combined with the generator, the oxygen concentration and number of negative ions in the living room are adjusted, the problem of insufficient oxygen concentration and negative ions in urban life is solved, and a healthy living environment with high oxygen and high negative ions is achieved, and the quality of sleep is improved.

CN223138053UActive Publication Date: 2025-07-22HUNAN TECHRAY MEDICAL
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Patent Information

Application Number
CN202421677018.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-07-22
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

With the acceleration of urbanization, people stay away from nature, resulting in insufficient oxygen concentration and negative ion concentration in the living environment, affecting physical health and sleep quality.

Method used

An oxygen-rich negative ion system is provided, through an oxygen-enhancing device and an air compressor device, the oxygen concentration and negative ions in the living room are adjusted, and a forest-like high oxygen and high negative ion environment is created.

Benefits of technology

Improve the oxygen concentration and negative ion concentration in the living room, relieve life pressure, improve sleep quality, and meet the pursuit of a healthy life by modern people.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an oxygen-enriched negative ion system which comprises air supply equipment, terminal equipment and a control piece. The air supply equipment comprises an oxygen production device, an air compression device and a first controller, the first controller is in communication connection with the oxygen production device and the air compression device, and the oxygen production device is used for producing oxygen and is communicated with the living room. The terminal equipment comprises a generator and a second controller, the second controller is in communication connection with the generator, the generator communicates with the air compression device, and the generator is used for generating negative ions and communicates with the living room. The control piece is in communication connection with the first controller and the second controller. The oxygen concentration in the living room is adjusted through the oxygen generation device, and the number of negative ions in the living room is adjusted through cooperation of the air compression device and the generator, so that a forest-like living environment with high oxygen concentration and high-concentration negative ions is created in the living room, body health is facilitated, the living pressure is relieved, and the sleep quality is improved; the pursuit of modern people on healthy life is met.
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Description

Technical Field

[0001] The utility model relates to the technical fields of oxygen generation and negative ion, in particular to an oxygen-rich negative ion system. Background Art

[0002] With the acceleration of the urbanization process, more and more people live in high-rise buildings and are far away from nature. Although this lifestyle brings convenience and comfort, it also makes people gradually lose their connection with nature, which is not beneficial to physical health. Content of the Utility Model

[0003] Based on this, it is necessary to provide an oxygen-rich negative ion system for the problem that the existing lifestyle is not conducive to physical health due to being far away from nature.

[0004] Its technical solution is as follows:

[0005] On the one hand, an oxygen-rich negative ion system is provided, which is applied to a living room. The oxygen-rich negative ion system includes:

[0006] A gas supply device, which includes an oxygen generation device, an air compression device and a first controller. The first controller is communicatively connected to both the oxygen generation device and the air compression device. The oxygen generation device is used to produce oxygen and is communicated with the living room;

[0007] A terminal device, which includes a generator and a second controller. The second controller is communicatively connected to the generator. The generator is communicated with the air compression device. The generator is used to generate negative ions and is communicated with the living room; and

[0008] A control member, which is communicatively connected to both the first controller and the second controller.

[0009] In the oxygen-rich negative ion system of the above embodiments, when it is necessary to increase the oxygen concentration in the living room, an oxygen control signal is input to the control member, and the control member transmits the oxygen control signal to the first controller. The first controller controls the oxygen generation device to generate oxygen according to the received oxygen control signal, and delivers the oxygen to the living room, so that the oxygen concentration in the living room is maintained within a preset range. When it is necessary to increase the number of negative ions in the living room, a negative ion control signal is input to the control member, and the control member transmits the negative ion control signal to the first controller and the second controller. The first controller controls the air compressor device to generate high-pressure air according to the received negative ion control signal, and delivers the high-pressure air into the generator. The second controller controls the generator to generate negative ions according to the received negative ion control signal, and the negative ions are delivered to the living room along with the high-pressure air, so that the number of negative ions in the living room reaches the preset value. This application can adjust the oxygen concentration in the living room through the oxygen generation device, and adjust the number of negative ions in the living room through the cooperation of the air compressor device and the generator, so as to create a living environment with high oxygen concentration and high concentration of negative ions like a forest in the living room, which is beneficial to physical health, relieves living pressure, improves sleep quality, and meets the pursuit of healthy life by modern people.

[0010] The technical solution will be further described below:

[0011] In one embodiment, the gas supply device further includes a first installation cavity, and the oxygen generation device, the air compressor device and the first controller are all installed in the first installation cavity.

[0012] In one embodiment, the first installation cavity is installed outside the living room.

[0013] In one embodiment, the gas supply device further includes a first diffusion device, and the first diffusion device is located in the living room and is communicated with the oxygen generation device.

[0014] In one embodiment, the terminal device further includes a second diffusion device, and the second diffusion device is located in the living room and is communicated with the generator.

[0015] In one embodiment, the oxygen generation device is communicated with the second diffusion device.

[0016] In one embodiment, the second diffusion device includes a universal joint and a nozzle installed on the universal joint. The nozzle is communicated with both the oxygen generation device and the generator, and is used for dispersing the oxygen and the negative ions.

[0017] In one embodiment, the terminal device further includes a second installation cavity, and the generator and the second controller are both installed in the second installation cavity.

[0018] In one embodiment, the number of the terminal devices is at least one, and each of the terminal devices is set as one of a background wall type waterfall ion terminal device, a bedside table type waterfall ion terminal device, and a radiator type waterfall ion terminal device.

[0019] In one embodiment, the oxygen-rich negative ion system further includes a detection device, which is communicatively connected to at least one of the first controller, the second controller, and the control member, and is configured to detect the oxygen concentration and the number of negative ions in the living room. Description of the Drawings

[0020] The drawings forming a part of this application are used to provide a further understanding of this application. The schematic embodiments and descriptions thereof of this application are used to explain this application and do not constitute an improper limitation to this application.

[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of this application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a schematic structural diagram of an oxygen-rich negative ion system for an embodiment.

[0023] Figure 2 It is a schematic structural diagram of an oxygen-rich negative ion system applied to a living room for another embodiment.

[0024] Figure 3 For Figure 1 it is a schematic structural diagram of the air supply device.

[0025] Figure 4 For Figure 3 it is a bottom view of the air supply device.

[0026] Figure 5 For Figure 1 it is a schematic structural diagram of the terminal device.

[0027] Figure 6 For Figure 5 it is a side view of the terminal device.

[0028] Figure 7 For Figure 5 it is a schematic structural diagram of the second diffusion device in

[0029] Description of the Reference Numerals:

[0030] 10. Oxygen-rich negative ion system; 100. Gas supply equipment; 110. Oxygen generation device; 120. Air compressor device; 130. First controller; 140. First installation cavity; 150. First diffusion device; 200. Terminal device; 210. Generator; 220. Second controller; 230. Second diffusion device; 231. Universal joint; 232. Nozzle; 240. Second installation cavity; 250. Peristaltic pump; 300. Control component; 400. Detection equipment; 20. Living room. Detailed implementation manners

[0031] To make the above objects, features, and advantages of the present application more obvious and understandable, the following will describe the detailed implementation manners of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0032] The oxygen content in nature is 20.9%. Humans are adapted to living in an environment with this oxygen content. If the oxygen content is lower than this value, people will feel discomfort, such as hypoxic phenomena like decreased work and sleep efficiency, and even death in severe cases. And if the oxygen content is too high, it will cause oxygen poisoning in people and pose a fire safety hazard. Therefore, creating an oxygen-rich environment of 21% - 26% is helpful for people's sleep.

[0033] Negative oxygen ions are beneficial to the sleep, mental state, etc. of the elderly. They can prevent and treat certain geriatric diseases, thus delaying aging and prolonging life. In October 1991, at the 13th International Conference on Natural Medicine, in the inspection report on Bama County, Guangxi, the total population of the county was 224,000, and there were 66 people over 100 years old: the centenarian rate was 30.8 / 100,000. At the meeting, Bama in Guangxi was confirmed as the fifth longevity town in the world. There are many factors contributing to longevity. Among the natural factors, the concentration of negative oxygen ions in the air in this area is as high as thousands per square centimeter, and in the areas along the valleys and riversides, it can reach more than 20,000, especially after a heavy rain, the content of negative oxygen ions in the air is even higher. From this, it can be seen that creating a forest-like high oxygen concentration and high concentration of negative ions to create a healthy and comfortable sleep environment. Such an environment is not only beneficial to physical health, but also can relieve stress and improve sleep quality, meeting the pursuit of modern people for a healthy life.

[0034] Therefore, the present application provides an oxygen-rich negative ion system 10 to achieve the above technical effects.

[0035] As Figure 1 and Figure 2As shown, in one embodiment, an oxygen-rich negative ion system 10 is provided and applied to a living room 20. The oxygen-rich negative ion system 10 includes a gas supply device 100, a terminal device 200, and a control component 300. Among them, the gas supply device 100 includes an oxygen generation device 110, an air compressor device 120, and a first controller 130. The first controller 130 is communicatively connected to both the oxygen generation device 110 and the air compressor device 120. The oxygen generation device 110 is used to produce oxygen and is connected to the living room 20. The terminal device 200 includes a generator 210 and a second controller 220. The second controller 220 is communicatively connected to the generator 210. The generator 210 is connected to the air compressor device 120. The generator 210 is used to generate negative ions and is connected to the living room 20. The control component 300 is communicatively connected to both the first controller 130 and the second controller 220.

[0036] For the oxygen-rich negative ion system 10 in the above embodiment, when it is necessary to increase the oxygen concentration in the living room 20, an oxygen control signal is input to the control component 300. The control component 300 transmits the oxygen control signal to the first controller 130. The first controller 130 controls the oxygen generation device 110 to produce oxygen according to the received oxygen control signal and delivers the oxygen into the living room 20, so that the oxygen concentration in the living room 20 is maintained within a preset range. When it is necessary to increase the number of negative ions in the living room 20, a negative ion control signal is input to the control component 300. The control component 300 transmits the negative ion control signal to the first controller 130 and the second controller 220. The first controller 130 controls the air compressor device 120 to produce high-pressure air according to the received negative ion control signal and delivers the high-pressure air into the generator 210. The second controller 220 controls the generator 210 to produce negative ions according to the received negative ion control signal. The negative ions are delivered into the living room 20 along with the high-pressure air, so that the number of negative ions in the living room 20 reaches a preset value. This application can adjust the oxygen concentration in the living room 20 through the oxygen generation device 110, and cooperate with the air compressor device 120 and the generator 210 to adjust the number of negative ions in the living room 20, so as to create a living environment with a forest-like high oxygen concentration and high concentration of negative ions in the living room 20, which is beneficial to physical health, relieves living pressure, improves sleep quality, and meets the pursuit of healthy life by modern people.

[0037] Among them, the oxygen generation device 110 can be set as any oxygen production equipment in the prior art. The air compression device 120 can be set as any high-pressure air production equipment in the prior art. The generator 210 can be set as any equipment for producing negative ions in the prior art. The first controller 130 and the second controller 220 can both be set as circuit control boards. The control member 300 can be set as a control switch, a control panel, a wireless remote control or other control structures. The control member 300 can communicate with the first controller 130 and the second controller 220 through a data line, a wire, Bluetooth, a wireless network communication technology or other means.

[0038] Specifically in this embodiment, the oxygen generation device 110 delivers 93% oxygen to the living room 20. The oxygen generation device 110 includes a filter, a compressor, a cooling fan, a condenser, a gas-water separator, a solenoid valve, a separator, a buffer tank, a pressure regulating valve, a check valve, a throttle valve, a silencer, a control board, a transformer, pipelines and connectors. The air compression device 120 includes a filter, a compressor, a cooling fan, a condenser, a gas-water separator, a buffer tank, a one-way throttle valve, a silencer, a control board, a transformer, pipelines and connectors.

[0039] Among them, the living room 20 refers to the space where people will be during the living process, such as a bedroom, a living room, a kitchen, a classroom, an office, an operating room or a shopping mall, etc.

[0040] Among them, the control range of the oxygen concentration in the living room 20 can be flexibly adjusted according to actual usage needs. The control range of the number of negative ions in the living room 20 can be flexibly adjusted according to actual usage needs. Specifically in this embodiment, the oxygen concentration in the living room 20 is controlled at 21% - 26%. The number of negative ions in the living room 20 is controlled at greater than or equal to 8000 per cubic centimeter.

[0041] Such as Figure 3 and Figure 4 As shown, in one embodiment, the gas supply device 100 further includes a first installation cavity 140, and the oxygen generation device 110, the air compression device 120 and the first controller 130 are all installed in the first installation cavity 140. In this way, the oxygen generation device 110, the air compression device 120 and the first controller 130 can be hidden in the first installation cavity 140, improving the practicability and reliability of the oxygen-rich negative ion system 10.

[0042] Among them, the first installation cavity 140 can be set as an installation box, an installation cabinet, an installation shell or other installation structures.

[0043] Such as Figure 2 and Figure 3As shown, optionally, the first installation cavity 140 is installed outside the living room 20. In this way, the living room 20 can block the noise generated during the operation of the oxygen generation device 110 and the air compressor device 120, ensuring the comfort inside the living room 20.

[0044] As Figure 2 shown, optionally, the air supply device 100 further includes a first dispersion device 150. The first dispersion device 150 is located inside the living room 20 and is connected to the oxygen generation device 110. In this way, the oxygen produced by the oxygen generation device 110 is transported into the first dispersion device 150, and the first dispersion device 150 divides the oxygen into multiple strands and then transports it into the living room 20, enabling the oxygen to quickly disperse inside the living room 20 and improving the practicality of the oxygen-rich negative ion system 10.

[0045] Among them, the first dispersion device 150 can be set as a jet device, an air outlet grille or other structures in the prior art.

[0046] As Figure 5 and Figure 6 shown, in one embodiment, the terminal device 200 further includes a second dispersion device 230. The second dispersion device 230 is located inside the living room 20 and is connected to the generator 210. In this way, the negative ions produced by the generator 210 enter the second dispersion device 230 along with the high-pressure air. The second dispersion device 230 divides the high-pressure air and the negative ions into multiple strands and then transports them into the living room 20, enabling the negative ions to quickly disperse inside the living room 20 and improving the practicality of the oxygen-rich negative ion system 10.

[0047] Optionally, the oxygen generation device 110 is connected to the second dispersion device 230. In this way, the oxygen generation device 110 and the generator 210 can share the second dispersion device 230, eliminating the need to separately set up the first dispersion device 150 and reducing the cost and complexity of the oxygen-rich negative ion system 10.

[0048] Among them, the second dispersion device 230 can be set as a jet device, an air outlet grille or other structures in the prior art.

[0049] As Figure 7 shown, specifically in this embodiment, the second dispersion device 230 includes a universal joint 231 and a nozzle 232 installed on the universal joint 231. The nozzle 232 is connected to both the oxygen generation device 110 and the generator 210 and is used to disperse oxygen and negative ions.

[0050] Among them, the universal joint 231 can be set as any universal connection structure in the prior art. Specifically in this embodiment, the universal joint 231 can be set as a universal connection seat. The universal joint 231 can be installed on the outer wall of the second installation cavity 240 by screwing, clamping or other connection methods. The oxygen generator device 110 and the nozzle 232, the air compressor device 120 and the generator 210, and the generator 210 and the nozzle 232 are all connected through air pipes.

[0051] As Figure 2 shown, optionally, the terminal device 200 further includes a second installation cavity 240, and the generator 210 and the second controller 220 are both installed in the second installation cavity 240. The second installation cavity 240 is located in the living room 20. In this way, the generator 210 and the second controller 220 can be hidden in the second installation cavity 240, and the second installation cavity 240 can be integrated into the decoration style of the living room 20, improving the practicability and reliability of the oxygen-rich negative ion system 10.

[0052] Among them, the second installation cavity 240 can be set as an installation box, an installation cabinet, an installation shell or other installation structures.

[0053] In other embodiments, the terminal device 200 further includes a peristaltic pump 250 installed in the second installation cavity 240. The peristaltic pump 250 is used to connect the water source and the generator 210 and pump the water at the water source into the generator 210.

[0054] As Figure 2 shown, in one embodiment, the number of terminal devices 200 is at least one, and each terminal device 200 is set as one of a background wall type waterfall ion terminal device, a bedside table type waterfall ion terminal device, and a radiator type waterfall ion terminal device. In this way, different numbers and styles of terminal devices 200 can be selected and installed according to the actual situation in the living room 20, improving the practicability of the oxygen-rich negative ion system 10.

[0055] Specifically in this embodiment, the number of terminal devices 200 is three, and the three terminal devices 200 are respectively set as a background wall type waterfall ion terminal device, a bedside table type waterfall ion terminal device, and a radiator type waterfall ion terminal device.

[0056] Specifically in this embodiment, the terminal device 200 further includes a hidden cabinet, and the second installation cavity 240 is installed in the hidden cabinet. That is, when the terminal device 200 is a background wall type waterfall ion terminal device, the hidden cabinet is correspondingly set as a background wall cabinet. When the terminal device 200 is a bedside table type waterfall ion terminal device, the hidden cabinet is a bedside table cabinet. When the terminal device 200 is a radiator type waterfall ion terminal device, the hidden cabinet is correspondingly a radiator cabinet.

[0057] AsFigure 2 As shown, in one embodiment, the oxygen-rich negative ion system 10 further includes a detection device 400. The detection device 400 is communicatively connected to at least one of the first controller 130, the second controller 220, and the control member 300, and is configured to detect the oxygen concentration and the number of negative ions in the living room 20. In this way, the detection device 400 can detect the oxygen concentration and the number of negative ions in the living room 20 in real time, and feedback the detected oxygen concentration to the first controller 130 and the detected number of negative ions to the second controller 220, so that the first controller 130 can dynamically adjust the oxygen concentration in the living room 20, and the second controller 220 can ensure that the living room 20 maintains an environment with a high oxygen concentration and a high concentration of negative ions by adjusting the number of negative ions in the living room 20, thereby improving the practicality of the oxygen-rich negative ion system 10.

[0058] Specifically in this embodiment, the detection device 400 includes any device in the prior art for detecting the oxygen concentration and any device in the prior art for detecting the number of negative ions. The control member 300 is set as a control panel. While the control panel is used for inputting the oxygen control signal and the negative ion control signal, it can also be used to display the oxygen concentration value and the number of negative ions detected by the detection device 400. In other embodiments, the detection device 400 can also detect key environmental parameters such as PM2.5.

[0059] In the description of the present application, it should be understood that if terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings. These terms are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0060] In addition, if terms such as "first" and "second" appear, these terms are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0061] In this application, unless otherwise clearly defined and limited, if terms such as "installed", "connected", "linked", "fixed", etc. appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0062] In this application, unless otherwise clearly defined and limited, if there is a description such as a first feature being "on" or "under" a second feature, its meaning can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely means that the horizontal height of the first feature is less than that of the second feature.

[0063] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If so, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in this application are only for the purpose of illustration and do not represent the only implementation.

[0064] It should also be understood that when interpreting the connection relationship or position relationship of elements, although not clearly described, the connection relationship and position relationship are interpreted to include an error range, and this error range should be within the acceptable deviation range of a specific value determined by those skilled in the art. For example, "about", "approximate" or "substantially" can mean within one or more standard deviations, which is not limited herein.

[0065] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered to be within the scope described in this specification.

[0066] The above embodiments only illustrate several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An oxygen-rich negative ion system, applied to a living room, is characterized in that, Comprising: A gas supply device, the gas supply device includes an oxygen generation device, a air compressor device and a first controller, the first controller is communicatively connected to both the oxygen generation device and the air compressor device, the oxygen generation device is used to generate oxygen and is communicatively connected to the living room; A terminal device, the terminal device includes a generator and a second controller, the second controller is communicatively connected to the generator, the generator is communicatively connected to the air compressor device, the generator is used to generate negative ions and is communicatively connected to the living room; and A control member, the control member is communicatively connected to both the first controller and the second controller.

2. The oxygen-rich negative ion system according to claim 1, wherein The gas supply device further includes a first installation cavity, and the oxygen generation device, the air compressor device and the first controller are all installed in the first installation cavity.

3. The oxygen-rich negative ion system according to claim 2, wherein The first installation cavity is installed outside the living room.

4. The oxygen-rich negative ion system according to claim 1, wherein The gas supply device further includes a first diffusion device, the first diffusion device is located in the living room and is communicatively connected to the oxygen generation device.

5. The oxygen-rich negative ion system according to claim 1, wherein The terminal device further includes a second diffusion device, the second diffusion device is located in the living room and is communicatively connected to the generator.

6. The oxygen-rich negative ion system according to claim 5, characterized in that, The oxygen generation device is communicatively connected to the second diffusion device.

7. The oxygen-rich negative ion system according to claim 6, wherein The second diffusion device includes a universal joint and a nozzle installed on the universal joint, the nozzle is communicatively connected to both the oxygen generation device and the generator, and is used to disperse the oxygen and the negative ions.

8. The oxygen-rich negative ion system according to claim 1, characterized in that, The terminal device further includes a second installation cavity, and the generator and the second controller are both installed in the second installation cavity.

9. The oxygen-rich negative ion system according to any one of claims 1 to 8, characterized in that, The number of the terminal devices is at least one, and each terminal device is set as one of a background wall type waterfall ion terminal device, a bedside table type waterfall ion terminal device, and a radiator type waterfall ion terminal device.

10. The oxygen-rich negative ion system according to any one of claims 1 to 8, characterized in that, The oxygen-rich negative ion system further includes a detection device, the detection device is communicatively connected to at least one of the first controller, the second controller and the control member, and is used to detect the oxygen concentration and the number of negative ions in the living room.